EP2114484A2 - Cathéter destiné à soutenir le fonctionnement cardiaque - Google Patents

Cathéter destiné à soutenir le fonctionnement cardiaque

Info

Publication number
EP2114484A2
EP2114484A2 EP08719171A EP08719171A EP2114484A2 EP 2114484 A2 EP2114484 A2 EP 2114484A2 EP 08719171 A EP08719171 A EP 08719171A EP 08719171 A EP08719171 A EP 08719171A EP 2114484 A2 EP2114484 A2 EP 2114484A2
Authority
EP
European Patent Office
Prior art keywords
catheter
rotor
pump
heart
anyone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08719171A
Other languages
German (de)
English (en)
Other versions
EP2114484B1 (fr
Inventor
Mohl Werner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Miracor Medical Systems GmbH
Original Assignee
Miracor Medical Systems GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39721653&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2114484(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Miracor Medical Systems GmbH filed Critical Miracor Medical Systems GmbH
Priority to PL08719171T priority Critical patent/PL2114484T3/pl
Publication of EP2114484A2 publication Critical patent/EP2114484A2/fr
Application granted granted Critical
Publication of EP2114484B1 publication Critical patent/EP2114484B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/021—Units comprising pumps and their driving means containing a coupling
    • F04D13/024—Units comprising pumps and their driving means containing a coupling a magnetic coupling
    • F04D13/027—Details of the magnetic circuit
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/10—Location thereof with respect to the patient's body
    • A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
    • A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
    • A61M60/13—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel by means of a catheter allowing explantation, e.g. catheter pumps temporarily introduced via the vascular system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/10—Location thereof with respect to the patient's body
    • A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
    • A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
    • A61M60/148—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/10—Location thereof with respect to the patient's body
    • A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
    • A61M60/165—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart
    • A61M60/17—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart inside a ventricle, e.g. intraventricular balloon pumps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/20—Type thereof
    • A61M60/205—Non-positive displacement blood pumps
    • A61M60/216—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller
    • A61M60/237—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller the blood flow through the rotating member having mainly axial components, e.g. axial flow pumps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/40—Details relating to driving
    • A61M60/403—Details relating to driving for non-positive displacement blood pumps
    • A61M60/405—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being hydraulic or pneumatic
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/40—Details relating to driving
    • A61M60/403—Details relating to driving for non-positive displacement blood pumps
    • A61M60/419—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being permanent magnetic, e.g. from a rotating magnetic coupling between driving and driven magnets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/40—Details relating to driving
    • A61M60/403—Details relating to driving for non-positive displacement blood pumps
    • A61M60/422—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being electromagnetic, e.g. using canned motor pumps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/50—Details relating to control
    • A61M60/508—Electronic control means, e.g. for feedback regulation
    • A61M60/515—Regulation using real-time patient data
    • A61M60/523—Regulation using real-time patient data using blood flow data, e.g. from blood flow transducers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/80—Constructional details other than related to driving
    • A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
    • A61M60/833—Occluders for preventing backflow
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/80—Constructional details other than related to driving
    • A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
    • A61M60/861—Connections or anchorings for connecting or anchoring pumps or pumping devices to parts of the patient's body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/40—Details relating to driving
    • A61M60/403—Details relating to driving for non-positive displacement blood pumps
    • A61M60/408—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable
    • A61M60/411—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable generated by an electromotor
    • A61M60/414—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable generated by an electromotor transmitted by a rotating cable, e.g. for blood pumps mounted on a catheter

Definitions

  • the invention relates to a catheter to assist the performance of a heart with at least one pump.
  • heart-lung machines basically allows the essential vital functions to be maintained. A specific adaptation to the respective actual requirements generally does not take place with such devices, however. Rather, conventional heart-lung machines are devices which, using external pumps, maintain a forced circulation of blood without systematically entering into the re- spective requirements of the heart which has been weakened or subjected to a failure.
  • a com- pensation which is adapted to the intervention briefly taking place respectively can be carried out by the return of blood which has been drawn off in veins.
  • the criteria are not taken into account which would be relevant for the full function of the heart, and an intensive provision over a particular period of time is therefore not provided with such devices.
  • the provision of the other organs must also be maintained.
  • fluid is removed from blood vessels via an external pump and is returned into blood vessels via a return catheter, in which the returned quantity of fluid is regulated as a function of measurement values, with a heart ventricle catheter being provided to obtain these measurement values.
  • the known device comprised a heart ventricle catheter which is equipped in the cardiac chamber with sensors to measure the volume of fluid per unit of time, in which these sensors, in the introduced state of the heart ventricle catheter, lie in the cardiac chamber and these sensors are connected with an evaluation circuit in which the ratio of the diastolic volume to the systolic volume is evaluated per heartbeat or per unit of time in particular the discharge rate and/or the deviation of the volume conveyed per unit of time by the heart from a defined rated value is evaluated, for example the rated value, calculated from physically specific data for the cardiac out- put.
  • the signal which is generated in this way is passed to the pump, via which fluid is withdrawn from the cardiac chamber and is recirculated as a function of the generated signal.
  • the invention now aims to further develop this known device to the effect that an external pump can be dispensed with and, at the same time, the desired pressure increase can be brought into effect systematically at particular locations.
  • the fluid flow which is improved by the pump is to be developed in a way in which the mechanical stress of highly sensitive fluids, such as blood for example, can be kept as low as possible and nevertheless the corresponding improvement to circulation can be ensured at desired locations.
  • the initially mentioned device of the catheter according to the invention which can be used within the scope of the device described above, consists substantially in that the pump is constructed as a rotary pump at the distal end of the cathe- ter, in which the rotor lying distally on the outside is coupled via a magneto coupling with a drive wheel which is arranged inside the catheter and is formed as a paddle wheel which is operated hydraulically or pneumatically and the driving fluid is supplied to the paddle wheel via a lumen of the catheter and is carried off via a further lumen of the catheter.
  • Such an axial pump which is directly connected with the catheter, can be brought with the catheter directly into the desired position and, at the same time, can be used here with further therapeutic additions such as, for example, a retroper- fusion through cyclic occlusion of the blood vessel by means of a balloon.
  • a com- pletely impervious separation of the rotor from the drive wheel is achieved by the magneto coupling which is provided according to the invention, which eliminates axial passages between the drive wheel and the rotor lying distally on the outside.
  • the drive wheel is formed as a hydraulically or pneumatically operated paddle wheel, with the driving fluid being supplied to the paddle wheel via a lumen of the catheter and being carried off via a further lumen of the catheter, in which preferably the paddle wheel is constructed with axial or semi-axial blades.
  • the operation of such an arrangement can take place in a simple manner by means of correspondingly regulated hydraulic or pneumatic reservoirs, with the driving medium being supplied via corresponding regulating valves to the drive wheel which is coupled magnetically with the rotor.
  • the device is designed in a structurally particularly simple manner such that the axis of rotation of the rotor is in alignment with the longitudinal axis of the catheter or is parallel thereto.
  • a development of the catheter which has a correspondingly low wear and is impervious, with, at the same time, a secure mounting of the rotor can be achieved in that the coupling is formed by bar magnets which, in adjacent chambers separated from each other hydraulically by a sealing wall, at the distal end of the catheter are respectively connected with the rotor and with the drive wheel so as to be locked against relative rotation, in which preferably the connections, locked against relative rotation, of the drive wheel or of the rotor with the respective bar magnets are respectively mounted in the walls of the chambers facing away from the sealing wall and facing the drive wheel or the rotor respectively.
  • the rotor itself can follow design principles such as described for example in WO 01/70300 Al.
  • the rotary pump shown and described there for conveying blood and other highly sensitive fluids is formed as an external electromagnetically driven pump which is not directly suitable for incorporation into a cathe- ter.
  • the known design namely assumes that centrifugal flow components and flow components directed against a housing are present, in which the flow components directed against the housing serve primarily for the non-contact mounting and stabilising of the rotor in the housing.
  • a closed housing can not be readily realised with regard to flow technology, because such housing walls must in fact lie at a precisely defined distance from the rotor, which, however, is not readily guaranteed at the distal end of a catheter.
  • the rotor has guide surfaces to produce centrifugal flow components.
  • the driving fluid can be used within the scope of the invention in order to be able to operate a balloon for retroperfusion.
  • the embodiment is preferably devised hereby so that the lumina for the driving fluid are guided through an expandable balloon surrounding the catheter in a sealing manner, and that the Iu- mina have separately controllable closure members via which driving fluid can arrive in the balloon or out of the balloon into the respective lumina, in which preferably the closure members are formed as magneto valves.
  • additional driving medium is required which can be discharged again on collapsing of the balloon. This is possible extracorporally on the drive side by means of a reservoir.
  • the embodiment to assist the performance of a heart according to the invention in which fluid is conveyed in blood vessels with the use of a pump and the conveyed quantity is able to be regulated as a function of measurement values of a heart ven- tricle catheter, from which the cardiac output is determined, proceeds from a development according to AT 407 960 B and is characterised substantially in that the pump is formed as an intravasal rotary pump at the periphery or at the distal end of the catheter, the rotor of which, lying on the outside, is con- nected via a magneto coupling with the drive which is arranged inside the catheter.
  • Fig. 1 shows a diagrammatic illustration of the arrangement of the pump and of the drive
  • Fig. 2 shows a diagrammatic illustration of the distal end of a catheter which is used according to the invention
  • Fig. 3 shows an enlarged illustration of the part of the catheter bearing the balloon, in section.
  • a heart is designated by 1, into which a heart ventricle catheter 2 is introduced.
  • the catheter is introduced here for example via the femoral artery and the aortic arch 3 into the heart chamber and carries a series of sensors 4 via which the volume can be determined.
  • the measurement signals are passed to a control arrangement 5.
  • the heart ventricle catheter is formed with several lumina, as additionally illustrated below in further figures of the drawings, with fluid being supplied via such lumina to drive a rotor, arranged at the distal end, which forms the pump to assist the blood circulation and is designated by 6 in Fig. 1.
  • the positioning of this rotor is indicated in Fig. 1 by the arrow 8.
  • the driving medium for the rotor or the pump is guided in a circular flow by means of a fluid pump 7 which can be regulated in a synchronised manner as a function of the control signals generated in the control ar- rangement 5.
  • the distal region in which the pump is arranged is designated diagrammatically by 8, the catheter 2 having at its distal end a tube 9 leading to the suction end 10.
  • a reservoir for driving fluid is designated by 11, which provides additional driving medium for filling the balloon 12 serving for an occlusion of the artery, and which receives again the volume of driving medium occurring on deflation of the balloon.
  • the volumetric measurement in the cardiac chamber allows differences to be reliably detected between the diastolic and sys- tolic volume and allows corresponding correction signals to be made available for the output of the synchronised fluid pump 7. Furthermore, in the control circuit 5, corresponding fixed values can be provided, such as for example a defined cardiac output, which is referred to on deviation of the measured car- diac output to control the pump.
  • a retroperfusion can take place via a conventional balloon catheter which is occluded in a correspondingly synchronised manner, so that the directed return is in fact guaranteed dur- ing the diastole.
  • the corresponding measurement values for the heart rate or for the correct moment of the diastole can be obtained from ECG data.
  • a modified catheter 2 is now il- lustrated.
  • the end side 13 of this catheter has two pocket- shaped chambers 14 and 15, in which bar magnets are respectively arranged.
  • the bar magnet 16 is connected here at the distal end outwards via a shaft 17 with a rotor 18, whereas the bar magnet 19 lying on the inside is connected via a shaft 20 with a drive wheel 21.
  • the drive wheel 21 is formed here as a paddle wheel and is acted upon with fluid via a lumen 22, this fluid flowing off again via the lumen 23 of the catheter.
  • the rotation of the paddle wheel 21 is regulated here accordingly by corresponding control of the fluid pressure in the lumen 22 serving for the supply of fluid, in which the magnet 19, which is connected so as to be locked against relative rotation with the paddle wheel 21, is set into corresponding rotation.
  • the magnet 16 is subsequently entrained accordingly and drives the rotor 18 via the shaft 17, whereby a flow is formed in the region of the tube 9, as is indicated by the arrows 22, and which assists the natural blood flow in the vessel 26, illustrated by the arrow 25.
  • Fig. 3 the partial region of the balloon 12, which is connected in a sealing manner to the catheter 2, is illustrated on an enlarged scale.
  • the two lumina leading away from the fluid pump 7 and back to the fluid pump 7 are designated in turn by 22 and 23.
  • the wall of these lumina is provided with valves which can be actuated magnetically for example.
  • the valves are indicated diagrammatically by 27 and 28.
  • An opening of the valve 27 leads to the fluid, coming from the fluid pump 7, which is under pressure, which is indicated by the "+" sign, being pumped into the balloon 12, with which the overall quantity of the circulating driving fluid would of course be reduced, in so far as the reservoir 11, indicated diagrammatically in Fig. 1, is not provided.

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Vascular Medicine (AREA)
  • General Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • External Artificial Organs (AREA)
  • Transplantation (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

La présente invention concerne un cathéter (2) destiné à soutenir le fonctionnement cardiaque (1). Ledit cathéter est doté d'au moins une pompe (7), qui revêt la forme d'une pompe rotative placée à l'extrémité distale du cathéter (2). Le rotor (6), situé de manière distale sur le côté externe, est couplé à une roue d'entraînement (21) par le biais d'un accouplement magnéto. Ladite roue revêt la forme d'une roue à aubes à entraînement hydraulique ou pneumatique, disposée à l'intérieur du cathéter (2). Le liquide d'entraînement est fourni à la roue à aubes par l'intermédiaire d'un lumen (22) du cathéter (2), et est transporté par l'intermédiaire d'un autre lumen (23) du cathéter.
EP08719171A 2007-02-27 2008-02-27 Cathéter destiné à soutenir le fonctionnement cardiaque Active EP2114484B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08719171T PL2114484T3 (pl) 2007-02-27 2008-02-27 Cewnik wspomagający pracę serca

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0030607A AT504990B1 (de) 2007-02-27 2007-02-27 Katheter zur unterstützung der leistung eines herzens
PCT/IB2008/000421 WO2008104858A2 (fr) 2007-02-27 2008-02-27 Cathéter destiné à soutenir le fonctionnement cardiaque

Publications (2)

Publication Number Publication Date
EP2114484A2 true EP2114484A2 (fr) 2009-11-11
EP2114484B1 EP2114484B1 (fr) 2011-08-24

Family

ID=39721653

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08719171A Active EP2114484B1 (fr) 2007-02-27 2008-02-27 Cathéter destiné à soutenir le fonctionnement cardiaque

Country Status (9)

Country Link
US (11) US8255050B2 (fr)
EP (1) EP2114484B1 (fr)
JP (1) JP5274485B2 (fr)
CN (1) CN101678158A (fr)
AT (2) AT504990B1 (fr)
ES (1) ES2371128T3 (fr)
PL (1) PL2114484T3 (fr)
PT (1) PT2114484E (fr)
WO (1) WO2008104858A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3539584A4 (fr) * 2016-11-09 2020-06-03 Koroteev, Alexey Vasilievich Pompe micro-axiale d'aide à la circulation sanguine (variantes)

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US7393181B2 (en) 2004-09-17 2008-07-01 The Penn State Research Foundation Expandable impeller pump
EP1996252B1 (fr) 2006-03-23 2016-05-11 The Penn State Research Foundation Dispositif d'assistance cardiaque avec une pompe a impulseur extensible
AT504990B1 (de) 2007-02-27 2008-12-15 Miracor Medizintechnik Handels Katheter zur unterstützung der leistung eines herzens
JP5665748B2 (ja) * 2008-10-06 2015-02-04 インディアナ・ユニバーシティ・リサーチ・アンド・テクノロジー・コーポレーション 能動的又は受動的補助のための装置
DE102010011998A1 (de) 2009-03-24 2010-09-30 Ecp Entwicklungsgesellschaft Mbh Fluidpumpeinrichtung
WO2012094641A2 (fr) 2011-01-06 2012-07-12 Thoratec Corporation Pompe cardiaque percutanée
US8849398B2 (en) 2011-08-29 2014-09-30 Minnetronix, Inc. Expandable blood pump for cardiac support
US9162017B2 (en) 2011-08-29 2015-10-20 Minnetronix, Inc. Expandable vascular pump
US8734331B2 (en) 2011-08-29 2014-05-27 Minnetronix, Inc. Expandable blood pumps and methods of their deployment and use
US8721517B2 (en) 2012-05-14 2014-05-13 Thoratec Corporation Impeller for catheter pump
US9872947B2 (en) 2012-05-14 2018-01-23 Tc1 Llc Sheath system for catheter pump
US9327067B2 (en) 2012-05-14 2016-05-03 Thoratec Corporation Impeller for catheter pump
EP4218887A1 (fr) 2012-05-14 2023-08-02 Tc1 Llc Dispositif d'assistance circulatoire mécanique pour stabiliser un patient après un choc cardiogénique
US9446179B2 (en) 2012-05-14 2016-09-20 Thoratec Corporation Distal bearing support
EP4186557A1 (fr) 2012-07-03 2023-05-31 Tc1 Llc Ensemble motour pour pompe à cathéter
US9358329B2 (en) 2012-07-03 2016-06-07 Thoratec Corporation Catheter pump
US9421311B2 (en) 2012-07-03 2016-08-23 Thoratec Corporation Motor assembly for catheter pump
US11077294B2 (en) 2013-03-13 2021-08-03 Tc1 Llc Sheath assembly for catheter pump
EP4122520A1 (fr) 2013-03-13 2023-01-25 Tc1 Llc Système de manipulation de fluide
US11033728B2 (en) 2013-03-13 2021-06-15 Tc1 Llc Fluid handling system
US9308302B2 (en) 2013-03-15 2016-04-12 Thoratec Corporation Catheter pump assembly including a stator
EP3808390B1 (fr) 2013-03-15 2023-11-08 Tc1 Llc Ensemble de pompe de cathéter comprenant un stator
EP2796156A1 (fr) * 2013-04-24 2014-10-29 ETH Zurich Appareil biomédical destiné à pomper le sang d'un patient humain ou animal par un circuit sanguin intra ou extracorporel secondaire
WO2015160942A1 (fr) 2014-04-15 2015-10-22 Thoratec Corporation Pompe de cathéter avec position de moteur excentrée
EP3131599B1 (fr) 2014-04-15 2019-02-20 Tc1 Llc Pompe de cathéter ayant des orifices d'accès
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US10251984B2 (en) 2019-04-09
JP5274485B2 (ja) 2013-08-28
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US11376415B2 (en) 2022-07-05
US20220080181A1 (en) 2022-03-17
US20220111194A1 (en) 2022-04-14
US20140350328A1 (en) 2014-11-27
US20220111195A1 (en) 2022-04-14
WO2008104858A3 (fr) 2009-01-08
US11351357B2 (en) 2022-06-07
US20120316383A1 (en) 2012-12-13
CN101678158A (zh) 2010-03-24
US20230265851A1 (en) 2023-08-24
AT504990B1 (de) 2008-12-15
US8801590B2 (en) 2014-08-12
AT504990A1 (de) 2008-09-15
US11754077B1 (en) 2023-09-12
US20220118242A1 (en) 2022-04-21
PL2114484T3 (pl) 2012-01-31
US20110009687A1 (en) 2011-01-13
ES2371128T3 (es) 2011-12-27
US11351356B2 (en) 2022-06-07
US20230126445A1 (en) 2023-04-27
US11674517B2 (en) 2023-06-13
PT2114484E (pt) 2011-11-10
US8255050B2 (en) 2012-08-28
US20190184080A1 (en) 2019-06-20
JP2010519001A (ja) 2010-06-03
EP2114484B1 (fr) 2011-08-24
US11123540B2 (en) 2021-09-21
WO2008104858A2 (fr) 2008-09-04
US11572879B2 (en) 2023-02-07

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